Finding the Fourth Proportional to 397,850.31, 549,104.55 and 254,605.44
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Solution
The fourth proportional to 397,850.31, 549,104.55 and 254,605.44 is: 351,401.02
Step by Step Solution
- Step 1: Write the proportion equation
397,850.31 : 549,104.55 = 254,605.44 : x - Step 2: Convert to fraction form
397,850.31/549,104.55 = 254,605.44/x - Step 3: Cross multiply
397,850.31x = 549,104.55 × 254,605.44 - Step 4: Simplify right side
397,850.31x = 139,805,005,558.75 - Step 5: Solve for x
x = 139,805,005,558.75/397,850.31 - Step 6: Final answer
x = 351,401.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.